Ext.onReady(function() {
			// var Tree = Ext.tree;
			//alert('OK');

			var tree = new Tree.TreePanel('hello', {
						animate : true,
						enableDD : false,
						loader : new Tree.TreeLoader(), // Note: no dataurl,
						// register a TreeLoader
						// to make use of
						// createNode()
						lines : true,
						selModel : new Ext.tree.MultiSelectionModel(),
						containerScroll : false
					});

			// json data describing the tree
			var json = [{
						"text" : "Audi",
						"id" : 100,
						"leaf" : false,
						"cls" : "folder",
						"children" : [{
									"text" : "A3",
									"id" : 1000,
									"leaf" : false,
									"cls" : "folder",
									"children" : [{
												"text" : "Fuel Economy",
												"id" : "100000",
												"leaf" : true,
												"cls" : "file"
											}, {
												"text" : "Invoice",
												"id" : "100001",
												"leaf" : true,
												"cls" : "file"
											}, {
												"text" : "MSRP",
												"id" : "100002",
												"leaf" : true,
												"cls" : "file"
											}, {
												"text" : "Options",
												"id" : "100003",
												"leaf" : true,
												"cls" : "file"
											}, {
												"text" : "Specifications",
												"id" : "100004",
												"leaf" : true,
												"cls" : "file"
											}]
								}, {
									"text" : "TT",
									"id" : 1000,
									"leaf" : false,
									"cls" : "folder",
									"children" : [{
												"text" : "Fuel Economy",
												"id" : "100000",
												"leaf" : true,
												"cls" : "file"
											}, {
												"text" : "Invoice",
												"id" : "100001",
												"leaf" : true,
												"cls" : "file"
											}, {
												"text" : "MSRP",
												"id" : "100002",
												"leaf" : true,
												"cls" : "file"
											}, {
												"text" : "Options",
												"id" : "100003",
												"leaf" : true,
												"cls" : "file"
											}, {
												"text" : "Specifications",
												"id" : "100004",
												"leaf" : true,
												"cls" : "file"
											}]
								}]
					}, {
						"text" : "Cadillac",
						"id" : 300,
						"leaf" : false,
						"cls" : "folder",
						"children" : [{
									"text" : "CTS",
									"id" : 1000,
									"leaf" : false,
									"cls" : "folder",
									"children" : [{
												"text" : "Fuel Economy",
												"id" : "100000",
												"leaf" : true,
												"cls" : "file"
											}, {
												"text" : "Invoice",
												"id" : "100001",
												"leaf" : true,
												"cls" : "file"
											}, {
												"text" : "MSRP",
												"id" : "100002",
												"leaf" : true,
												"cls" : "file"
											}, {
												"text" : "Options",
												"id" : "100003",
												"leaf" : true,
												"cls" : "file"
											}, {
												"text" : "Specifications",
												"id" : "100004",
												"leaf" : true,
												"cls" : "file"
											}]
								}, {
									"text" : "CTS-V",
									"id" : 1000,
									"leaf" : false,
									"cls" : "folder",
									"children" : [{
												"text" : "Fuel Economy",
												"id" : "100000",
												"leaf" : true,
												"cls" : "file"
											}, {
												"text" : "Invoice",
												"id" : "100001",
												"leaf" : true,
												"cls" : "file"
											}, {
												"text" : "MSRP",
												"id" : "100002",
												"leaf" : true,
												"cls" : "file"
											}, {
												"text" : "Options",
												"id" : "100003",
												"leaf" : true,
												"cls" : "file"
											}, {
												"text" : "Specifications",
												"id" : "100004",
												"leaf" : true,
												"cls" : "file"
											}]
								}]
					}

			];

			// set the root node
			var root = new Tree.AsyncTreeNode({
						text : 'Autos',
						draggable : false,
						id : 'source',
						children : json
					});

			tree.setRootNode(root);

			tree.render();
			//root.expand();
		});